contract C { function f(uint x) public pure { while (x == 0) { ++x; break; ++x; } assert(x == 2); } } // ==== // SMTEngine: all // SMTIgnoreCex: yes // SMTSolvers: z3 // ---- // Warning 5740: (87-90): Unreachable code. // Warning 6328: (98-112): CHC: Assertion violation happens here. // Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.